<!DOCTYPE html>
<html lang="zh">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>404 - 页面未找到</title>
    <link rel="stylesheet" href="/css/all.min.css">
    <style>
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
            background-color: #f5f5f5;
            color: #333;
            line-height: 1.6;
            height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .container {
            max-width: 1000px;
            width: 90%;
            padding: 0 20px;
        }

        .error-container {
            background: #fff;
            border-radius: 12px;
            padding: 40px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            text-align: center;
        }

        .error-code {
            font-size: 120px;
            font-weight: bold;
            color: #007bff;
            line-height: 1;
            margin-bottom: 20px;
            position: relative;
            display: inline-block;
        }

        .error-code:after {
            content: "";
            position: absolute;
            width: 100%;
            height: 10px;
            background: rgba(0, 123, 255, 0.1);
            bottom: 15px;
            left: 0;
            border-radius: 50%;
            z-index: -1;
        }

        .error-icon {
            font-size: 80px;
            color: #007bff;
            margin-bottom: 20px;
            animation: float 3s ease-in-out infinite;
        }

        @keyframes float {
            0% {
                transform: translateY(0px);
            }
            50% {
                transform: translateY(-15px);
            }
            100% {
                transform: translateY(0px);
            }
        }

        .error-title {
            font-size: 28px;
            color: #333;
            margin-bottom: 15px;
        }

        .error-message {
            font-size: 16px;
            color: #666;
            margin-bottom: 30px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .action-buttons {
            display: flex;
            justify-content: center;
            gap: 15px;
            margin-top: 30px;
        }

        .action-btn {
            padding: 12px 25px;
            border: none;
            border-radius: 6px;
            background: #007bff;
            color: white;
            cursor: pointer;
            display: flex;
            align-items: center;
            font-size: 16px;
            transition: all 0.3s;
        }

        .action-btn.secondary {
            background: #f8f9fa;
            color: #333;
            border: 1px solid #ddd;
        }

        .action-btn i {
            margin-right: 8px;
        }

        .action-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }

        .action-btn.secondary:hover {
            background: #e9ecef;
        }

        .suggestions {
            margin-top: 40px;
            background: #f8f9fa;
            padding: 20px;
            border-radius: 8px;
            text-align: left;
        }

        .suggestions-title {
            font-size: 18px;
            color: #333;
            margin-bottom: 15px;
            display: flex;
            align-items: center;
        }

        .suggestions-title i {
            margin-right: 8px;
            color: #007bff;
        }

        .suggestions-list {
            list-style: none;
        }

        .suggestions-list li {
            margin-bottom: 10px;
            padding-left: 20px;
            position: relative;
        }

        .suggestions-list li:before {
            content: "•";
            color: #007bff;
            position: absolute;
            left: 0;
            font-size: 20px;
            line-height: 20px;
        }

        .suggestions-list a {
            color: #007bff;
            text-decoration: none;
            transition: color 0.3s;
        }

        .suggestions-list a:hover {
            color: #0056b3;
            text-decoration: underline;
        }

        /* 移动端适配 */
        @media screen and (max-width: 768px) {
            .container {
                padding: 15px;
                width: 95%;
            }

            .error-container {
                padding: 30px 20px;
            }

            .error-code {
                font-size: 80px;
            }

            .error-icon {
                font-size: 60px;
            }

            .error-title {
                font-size: 22px;
            }

            .error-message {
                font-size: 14px;
            }

            .action-buttons {
                flex-direction: column;
                gap: 10px;
            }

            .action-btn {
                width: 100%;
                justify-content: center;
                padding: 10px 15px;
                font-size: 14px;
            }

            .suggestions {
                margin-top: 30px;
                padding: 15px;
            }

            .suggestions-title {
                font-size: 16px;
            }
        }
    </style>
</head>
<body>
<div class="container">
    <div class="error-container">
        <div class="error-icon">
            <i class="fas fa-search"></i>
        </div>
        <div class="error-code">404</div>
        <h1 class="error-title">页面未找到</h1>
        <p class="error-message">
            抱歉，您访问的页面不存在或已被移除。请检查您输入的网址是否正确，或尝试使用下方的按钮返回首页。
        </p>

        <div class="action-buttons">
            <button class="action-btn" onclick="window.location.href='/'">
                <i class="fas fa-home"></i> 返回首页
            </button>
            <button class="action-btn secondary" onclick="window.history.back()">
                <i class="fas fa-arrow-left"></i> 返回上一页
            </button>
        </div>

    </div>
</div>
</body>
</html>